| Value | Category | Cases | |
|---|---|---|---|
| 1 | A week or less | 1 |
0.1%
|
| 2 | More than a week, less than a month | 1 |
0.1%
|
| 3 | More than one month, less than 3 months | 2 |
0.2%
|
| 4 | More than 3 months | 823 |
99.5%
|